A balance must exist between substance enetering and exiting cells. most animals remove substances by_.

Following carbon atoms around the Calvin cycle, The net reaction of the Calvin cycle is the conversion of CO₂ into the three-carbon sugar G3P.

What causes the release of calcium from the terminal cisternae of the sarcoplasmic reticulum within a muscle cell?

Why is recycling of carbon important to biotic factors?

Why are vertebrates classified as chordates

Chloride ions, follow actively transported sodium ions from the nephron into the blood. Would you not expect the chloride ion concentration to decrease as fluids are extracted along the nephron? What causes the discrepancy?

Select one organism from above and describe how it functions in the energy pyramid

Which event must precede all others during tissue repair? which event must precede all others during tissue repair? inflammation occurs near the affected cells. epithelia reproduce and migrate to the damaged area.

What are some examples of microorganisms

What do cellular respiration and fermentation have in common? A. they both occur in the mitochondria B. they both harvest energy from sugars C. they both require oxygen to occur D. they both end up with pyruvic acid

How do you closed digestive systems differ from open digestive systems?